{"id":16446,"date":"2025-03-28T02:30:15","date_gmt":"2025-03-27T23:30:15","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/"},"modified":"2025-03-28T02:30:15","modified_gmt":"2025-03-27T23:30:15","slug":"php-ve-postgresql-ile-tf-idf-vektorleri","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/","title":{"rendered":"PHP ve PostgreSQL ile TF-IDF Vekt\u00f6rleri"},"content":{"rendered":"

<\/p>\n

PHP ve PostgreSQL ile TF-IDF Vekt\u00f6rleri<\/p>\n

Merhaba! Bu makalede, metin belgelerinin anlamsal benzerli\u011fini \u00f6l\u00e7mek i\u00e7in s\u0131k\u00e7a kullan\u0131lan bir y\u00f6ntem olan TF-IDF (Term Frequency-Inverse Document Frequency) vekt\u00f6rlerini PHP ve PostgreSQL veritaban\u0131 sistemiyle nas\u0131l kullanabilece\u011finizi ayr\u0131nt\u0131l\u0131 olarak ele alaca\u011f\u0131z. \u00d6ncelikle TF-IDF’nin ne oldu\u011funu ve neden \u00f6nemli oldu\u011funu anlamakla ba\u015flayal\u0131m. Ard\u0131ndan, PHP ve PostgreSQL kullanarak TF-IDF vekt\u00f6rlerini nas\u0131l hesaplayabilece\u011fimiz ve veritaban\u0131nda nas\u0131l saklayabilece\u011fimiz konusunda ad\u0131m ad\u0131m bir rehber sunaca\u011f\u0131m. Son olarak da bu vekt\u00f6rleri kullanarak metin belgeleri aras\u0131nda benzerlik kar\u015f\u0131la\u015ft\u0131rmas\u0131 yapman\u0131n yollar\u0131n\u0131 g\u00f6sterece\u011fim.<\/p>\n

TF-IDF: Temel Kavramlar<\/h2>\n

TF-IDF, bir belgedeki bir kelimenin \u00f6nemini \u00f6l\u00e7en bir y\u00f6ntemdir. Y\u00fcksek TF-IDF de\u011feri, kelimenin hem o belgede s\u0131k\u00e7a ge\u00e7ti\u011fini (Term Frequency – TF), hem de di\u011fer belgelerde nadiren ge\u00e7ti\u011fini (Inverse Document Frequency – IDF) g\u00f6sterir. Bu sayede, bir belgenin konusunu ve di\u011fer belgelerden nas\u0131l farkl\u0131la\u015ft\u0131\u011f\u0131n\u0131 anlaman\u0131za yard\u0131mc\u0131 olur. \u00d6rne\u011fin, “yapay zeka” kelimesi bir yapay zeka makalesinde y\u00fcksek TF-IDF de\u011ferine sahip olurken, bir yemek tarifi makalesinde d\u00fc\u015f\u00fck bir de\u011fere sahip olacakt\u0131r.<\/p>\n

PHP ile TF-IDF Hesaplama<\/h2>\n

TF-IDF hesaplamas\u0131n\u0131 PHP ile ger\u00e7ekle\u015ftirmek i\u00e7in \u00f6ncelikle belgelerinizi \u00f6n i\u015flemeniz gerekecektir. Bu i\u015flem, metinlerin temizlenmesi, k\u00fc\u00e7\u00fck harflere d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesi, noktalama i\u015faretlerinin kald\u0131r\u0131lmas\u0131 ve k\u00f6k bulma (stemming) gibi ad\u0131mlar\u0131 i\u00e7erir. PHP’de bu i\u015flemler i\u00e7in \u00e7e\u015fitli k\u00fct\u00fcphaneler kullanabilirsiniz. Sonras\u0131nda, her belge i\u00e7in kelimelerin frekanslar\u0131n\u0131 sayman\u0131z ve IDF de\u011ferlerini hesaplaman\u0131z gerekir. Bu hesaplamalar i\u00e7in a\u015fa\u011f\u0131daki \u00f6rnek PHP kodunu inceleyebilirsiniz:<\/p>\n

\n\/\/ Basitle\u015ftirilmi\u015f TF-IDF hesaplama \u00f6rne\u011fi\n\/\/ Ger\u00e7ek bir uygulama i\u00e7in daha geli\u015fmi\u015f bir k\u00fct\u00fcphane kullan\u0131lmas\u0131 \u00f6nerilir.\nfunction calculate_tfidf($document, $corpus) {\n  \/\/ ... (\u00f6n i\u015flem, kelime frekans\u0131 hesaplama, IDF hesaplama) ...\n}\n<\/code><\/pre>\n
Bu kod par\u00e7as\u0131 sadece basit bir \u00f6rnektir.  Daha geli\u015fmi\u015f bir uygulama i\u00e7in,  daha sa\u011flam ve verimli k\u00fct\u00fcphaneler kullanman\u0131z \u00f6nerilir.  \u00d6rne\u011fin,  PHP’nin do\u011fal dil i\u015fleme (NLP) yeteneklerini geli\u015ftirmek i\u00e7in  PHP-NLP<\/a> k\u00fct\u00fcphanesini kullanabilirsiniz.<\/p>\n
PostgreSQL ile Vekt\u00f6rlerin Saklanmas\u0131<\/h2>\n
Hesaplad\u0131\u011f\u0131n\u0131z TF-IDF vekt\u00f6rlerini PostgreSQL veritaban\u0131nda saklamak i\u00e7in,  her belge i\u00e7in bir vekt\u00f6r s\u00fctunu olu\u015fturman\u0131z gerekir. PostgreSQL,  postgis uzant\u0131s\u0131 arac\u0131l\u0131\u011f\u0131yla vekt\u00f6r verilerini destekler. Bu vekt\u00f6rleri veritaban\u0131nda verimli bir \u015fekilde saklamak ve aramak i\u00e7in,  PostgreSQL’in sa\u011flad\u0131\u011f\u0131 \u00f6zelliklerden faydalanabilirsiniz.  Vekt\u00f6r benzerli\u011fi hesaplamalar\u0131 i\u00e7in,  PostgreSQL’in yerle\u015fik fonksiyonlar\u0131n\u0131 kullanabilirsiniz.<\/p>\n
Benzerlik \u00d6l\u00e7\u00fcm\u00fc ve Uygulamalar<\/h2>\n
TF-IDF vekt\u00f6rlerini elde ettikten sonra,  belgeler aras\u0131ndaki benzerli\u011fi \u00f6l\u00e7mek i\u00e7in \u00e7e\u015fitli y\u00f6ntemler kullanabilirsiniz.  Bunlardan en yayg\u0131n olan\u0131,  kozinus benzerli\u011fidir.  Kozinus benzerli\u011fi,  iki vekt\u00f6r aras\u0131ndaki a\u00e7\u0131n\u0131n kosin\u00fcs\u00fcn\u00fc hesaplayarak benzerlik derecesini belirler.  PostgreSQL’de bu hesaplamay\u0131 veritaban\u0131nda do\u011frudan yapabilirsiniz.  Bu yakla\u015f\u0131m,  b\u00fcy\u00fck miktarda belgeyle \u00e7al\u0131\u015f\u0131rken performans a\u00e7\u0131s\u0131ndan \u00f6nemli avantajlar sa\u011flar.  Bu benzerlik \u00f6l\u00e7\u00fcmlerini kullanarak,  \u00f6neri sistemleri,  metin arama motorlar\u0131 ve belge s\u0131n\u0131fland\u0131rma gibi \u00e7e\u015fitli uygulamalar geli\u015ftirebilirsiniz.<\/p>\n
\u00d6rne\u011fin, bir kullan\u0131c\u0131 belirli bir kelimeyle ilgili bir belge arad\u0131\u011f\u0131nda, sistem bu kelimenin y\u00fcksek TF-IDF de\u011ferine sahip belgeleri \u00f6nceliklendirebilir.  Benzer \u015fekilde,  \u00f6neri sistemlerinde,  kullan\u0131c\u0131n\u0131n okudu\u011fu belgelerle y\u00fcksek kozinus benzerli\u011fine sahip belgeler \u00f6nerilebilir.<\/p>\n
Sonu\u00e7<\/h2>\n
Bu makalede, PHP ve PostgreSQL kullanarak TF-IDF vekt\u00f6rlerini hesaplama ve bunlar\u0131 veritaban\u0131nda saklama konusunda detayl\u0131 bir rehber sundum.  TF-IDF,  metin belgelerinin anlamsal benzerli\u011fini \u00f6l\u00e7mek i\u00e7in g\u00fc\u00e7l\u00fc bir y\u00f6ntemdir ve \u00e7e\u015fitli uygulamalarda kullan\u0131labilir.  Umar\u0131m bu makale,  projenizde TF-IDF kullanman\u0131za yard\u0131mc\u0131 olur. Daha fazla bilgi i\u00e7in fatihsoysal.com<\/a> adresini ziyaret edebilirsiniz.<\/p>\n
Not:<\/b> Bu makalede verilen \u00f6rnek kodlar ve a\u00e7\u0131klamalar,  basit ve anla\u015f\u0131l\u0131r olmas\u0131 i\u00e7in basitle\u015ftirilmi\u015ftir.  Ger\u00e7ek d\u00fcnya uygulamalar\u0131nda,  daha geli\u015fmi\u015f ve verimli \u00e7\u00f6z\u00fcmler kullanman\u0131z gerekebilir.<\/p>\n
#Etiketler: TF-IDF, PHP, PostgreSQL, vekt\u00f6r uzay\u0131 modeli, metin madencili\u011fi, bilgi geri kazan\u0131m\u0131, benzerlik \u00f6l\u00e7\u00fcm\u00fc, kozinus benzerli\u011fi,  PHP-NLP,  veritaban\u0131,  metin analizi<\/p>\n
<\/body>
\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"PHP ve PostgreSQL ile TF-IDF Vekt\u00f6rleri Merhaba! Bu makalede, metin belgelerinin anlamsal benzerli\u011fini \u00f6l\u00e7mek i\u00e7in s\u0131k\u00e7a kullan\u0131lan bir…","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-16446","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"\nPHP ve PostgreSQL ile TF-IDF Vekt\u00f6rleri<\/title>\n<meta name=\"description\" content=\"Merhaba! Bu makalede, metin belgelerinin anlamsal benzerli\u011fini \u00f6l\u00e7mek i\u00e7in s\u0131k\u00e7a kullan\u0131lan bir y\u00f6ntem olan TF-IDF (Term Frequency-Inverse Document Frequency) vekt\u00f6rlerini PHP ve PostgreSQL veritaban\u0131 sistemiyle nas\u0131l kullanabilece\u011finizi ayr\u0131nt\u0131l\u0131 olarak ele alaca\u011f\u0131z. \u00d6ncelikle TF-IDF'nin ne oldu\u011funu ve neden \u00f6nemli oldu\u011funu anlamakla ba\u015flayal\u0131m. Ard\u0131ndan, PHP ve PostgreSQL kullanarak TF-IDF vekt\u00f6rlerini nas\u0131l hesaplayabilece\u011fimiz ve veritaban\u0131nda nas\u0131l saklayabilece\u011fimiz konusunda ad\u0131m ad\u0131m bir rehber sunaca\u011f\u0131m. Son olarak da bu vekt\u00f6rleri kullanarak metin belgeleri aras\u0131nda benzerlik kar\u015f\u0131la\u015ft\u0131rmas\u0131 yapman\u0131n yollar\u0131n\u0131 g\u00f6sterece\u011fim.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP ve PostgreSQL ile TF-IDF Vekt\u00f6rleri\" \/>\n<meta property=\"og:description\" content=\"Merhaba! Bu makalede, metin belgelerinin anlamsal benzerli\u011fini \u00f6l\u00e7mek i\u00e7in s\u0131k\u00e7a kullan\u0131lan bir y\u00f6ntem olan TF-IDF (Term Frequency-Inverse Document Frequency) vekt\u00f6rlerini PHP ve PostgreSQL veritaban\u0131 sistemiyle nas\u0131l kullanabilece\u011finizi ayr\u0131nt\u0131l\u0131 olarak ele alaca\u011f\u0131z. \u00d6ncelikle TF-IDF'nin ne oldu\u011funu ve neden \u00f6nemli oldu\u011funu anlamakla ba\u015flayal\u0131m. Ard\u0131ndan, PHP ve PostgreSQL kullanarak TF-IDF vekt\u00f6rlerini nas\u0131l hesaplayabilece\u011fimiz ve veritaban\u0131nda nas\u0131l saklayabilece\u011fimiz konusunda ad\u0131m ad\u0131m bir rehber sunaca\u011f\u0131m. Son olarak da bu vekt\u00f6rleri kullanarak metin belgeleri aras\u0131nda benzerlik kar\u015f\u0131la\u015ft\u0131rmas\u0131 yapman\u0131n yollar\u0131n\u0131 g\u00f6sterece\u011fim.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-27T23:30:15+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"PHP ve PostgreSQL ile TF-IDF Vekt\u00f6rleri\",\"datePublished\":\"2025-03-27T23:30:15+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/\"},\"wordCount\":694,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/\",\"name\":\"PHP ve PostgreSQL ile TF-IDF Vekt\u00f6rleri\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\"},\"datePublished\":\"2025-03-27T23:30:15+00:00\",\"description\":\"Merhaba! Bu makalede, metin belgelerinin anlamsal benzerli\u011fini \u00f6l\u00e7mek i\u00e7in s\u0131k\u00e7a kullan\u0131lan bir y\u00f6ntem olan TF-IDF (Term Frequency-Inverse Document Frequency) vekt\u00f6rlerini PHP ve PostgreSQL veritaban\u0131 sistemiyle nas\u0131l kullanabilece\u011finizi ayr\u0131nt\u0131l\u0131 olarak ele alaca\u011f\u0131z. \u00d6ncelikle TF-IDF'nin ne oldu\u011funu ve neden \u00f6nemli oldu\u011funu anlamakla ba\u015flayal\u0131m. Ard\u0131ndan, PHP ve PostgreSQL kullanarak TF-IDF vekt\u00f6rlerini nas\u0131l hesaplayabilece\u011fimiz ve veritaban\u0131nda nas\u0131l saklayabilece\u011fimiz konusunda ad\u0131m ad\u0131m bir rehber sunaca\u011f\u0131m. Son olarak da bu vekt\u00f6rleri kullanarak metin belgeleri aras\u0131nda benzerlik kar\u015f\u0131la\u015ft\u0131rmas\u0131 yapman\u0131n yollar\u0131n\u0131 g\u00f6sterece\u011fim.\",\"breadcrumb\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Anasayfa\",\"item\":\"https:\/\/fatihsoysal.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"PHP ve PostgreSQL ile TF-IDF Vekt\u00f6rleri\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/\",\"name\":\"Fatihsoysal.com\",\"description\":\"Blog - Yaz\u0131l\u0131m D\u00fcnyas\u0131 Tecr\u00fcbelerim\",\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/fatihsoysal.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"tr\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\",\"name\":\"Fatih Soysal\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/wp-content\/uploads\/2024\/04\/cropped-replicate-prediction-3kgg1hgjn5rgp0cf0p5tr0jw7w-1.png\",\"contentUrl\":\"https:\/\/fatihsoysal.com\/blog\/wp-content\/uploads\/2024\/04\/cropped-replicate-prediction-3kgg1hgjn5rgp0cf0p5tr0jw7w-1.png\",\"width\":512,\"height\":512,\"caption\":\"Fatih Soysal\"},\"logo\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/image\/\"},\"description\":\"Kullan\u0131m ve kodlama m\u00fckemmeliyetini odak alan uygulamalar olu\u015fturma deneyimine sahip, profesyonel olarak 15+ y\u0131l \u00fczeri deneyime sahip bir yaz\u0131l\u0131m m\u00fchendisi.\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/author\/fatihsoysal\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"PHP ve PostgreSQL ile TF-IDF Vekt\u00f6rleri","description":"Merhaba! Bu makalede, metin belgelerinin anlamsal benzerli\u011fini \u00f6l\u00e7mek i\u00e7in s\u0131k\u00e7a kullan\u0131lan bir y\u00f6ntem olan TF-IDF (Term Frequency-Inverse Document Frequency) vekt\u00f6rlerini PHP ve PostgreSQL veritaban\u0131 sistemiyle nas\u0131l kullanabilece\u011finizi ayr\u0131nt\u0131l\u0131 olarak ele alaca\u011f\u0131z. \u00d6ncelikle TF-IDF'nin ne oldu\u011funu ve neden \u00f6nemli oldu\u011funu anlamakla ba\u015flayal\u0131m. Ard\u0131ndan, PHP ve PostgreSQL kullanarak TF-IDF vekt\u00f6rlerini nas\u0131l hesaplayabilece\u011fimiz ve veritaban\u0131nda nas\u0131l saklayabilece\u011fimiz konusunda ad\u0131m ad\u0131m bir rehber sunaca\u011f\u0131m. Son olarak da bu vekt\u00f6rleri kullanarak metin belgeleri aras\u0131nda benzerlik kar\u015f\u0131la\u015ft\u0131rmas\u0131 yapman\u0131n yollar\u0131n\u0131 g\u00f6sterece\u011fim.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/","og_locale":"tr_TR","og_type":"article","og_title":"PHP ve PostgreSQL ile TF-IDF Vekt\u00f6rleri","og_description":"Merhaba! Bu makalede, metin belgelerinin anlamsal benzerli\u011fini \u00f6l\u00e7mek i\u00e7in s\u0131k\u00e7a kullan\u0131lan bir y\u00f6ntem olan TF-IDF (Term Frequency-Inverse Document Frequency) vekt\u00f6rlerini PHP ve PostgreSQL veritaban\u0131 sistemiyle nas\u0131l kullanabilece\u011finizi ayr\u0131nt\u0131l\u0131 olarak ele alaca\u011f\u0131z. \u00d6ncelikle TF-IDF'nin ne oldu\u011funu ve neden \u00f6nemli oldu\u011funu anlamakla ba\u015flayal\u0131m. Ard\u0131ndan, PHP ve PostgreSQL kullanarak TF-IDF vekt\u00f6rlerini nas\u0131l hesaplayabilece\u011fimiz ve veritaban\u0131nda nas\u0131l saklayabilece\u011fimiz konusunda ad\u0131m ad\u0131m bir rehber sunaca\u011f\u0131m. Son olarak da bu vekt\u00f6rleri kullanarak metin belgeleri aras\u0131nda benzerlik kar\u015f\u0131la\u015ft\u0131rmas\u0131 yapman\u0131n yollar\u0131n\u0131 g\u00f6sterece\u011fim.","og_url":"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/","og_site_name":"Kodlar\u0131n Gizemli D\u00fcnyas\u0131","article_published_time":"2025-03-27T23:30:15+00:00","author":"Fatih Soysal","twitter_card":"summary_large_image","twitter_misc":{"Yazan:":"Fatih Soysal","Tahmini okuma s\u00fcresi":"4 dakika"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/#article","isPartOf":{"@id":"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/"},"author":{"name":"Fatih Soysal","@id":"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1"},"headline":"PHP ve PostgreSQL ile TF-IDF Vekt\u00f6rleri","datePublished":"2025-03-27T23:30:15+00:00","mainEntityOfPage":{"@id":"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/"},"wordCount":694,"commentCount":0,"publisher":{"@id":"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1"},"inLanguage":"tr","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/#respond"]}],"copyrightYear":"2025","copyrightHolder":{"@id":"https:\/\/fatihsoysal.com\/blog\/#organization"}},{"@type":"WebPage","@id":"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/","url":"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/","name":"PHP ve PostgreSQL ile TF-IDF Vekt\u00f6rleri","isPartOf":{"@id":"https:\/\/fatihsoysal.com\/blog\/#website"},"datePublished":"2025-03-27T23:30:15+00:00","description":"Merhaba! Bu makalede, metin belgelerinin anlamsal benzerli\u011fini \u00f6l\u00e7mek i\u00e7in s\u0131k\u00e7a kullan\u0131lan bir y\u00f6ntem olan TF-IDF (Term Frequency-Inverse Document Frequency) vekt\u00f6rlerini PHP ve PostgreSQL veritaban\u0131 sistemiyle nas\u0131l kullanabilece\u011finizi ayr\u0131nt\u0131l\u0131 olarak ele alaca\u011f\u0131z. \u00d6ncelikle TF-IDF'nin ne oldu\u011funu ve neden \u00f6nemli oldu\u011funu anlamakla ba\u015flayal\u0131m. Ard\u0131ndan, PHP ve PostgreSQL kullanarak TF-IDF vekt\u00f6rlerini nas\u0131l hesaplayabilece\u011fimiz ve veritaban\u0131nda nas\u0131l saklayabilece\u011fimiz konusunda ad\u0131m ad\u0131m bir rehber sunaca\u011f\u0131m. Son olarak da bu vekt\u00f6rleri kullanarak metin belgeleri aras\u0131nda benzerlik kar\u015f\u0131la\u015ft\u0131rmas\u0131 yapman\u0131n yollar\u0131n\u0131 g\u00f6sterece\u011fim.","breadcrumb":{"@id":"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/#breadcrumb"},"inLanguage":"tr","potentialAction":[{"@type":"ReadAction","target":["https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/fatihsoysal.com\/blog\/php-ve-postgresql-ile-tf-idf-vektorleri\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Anasayfa","item":"https:\/\/fatihsoysal.com\/blog\/"},{"@type":"ListItem","position":2,"name":"PHP ve PostgreSQL ile TF-IDF Vekt\u00f6rleri"}]},{"@type":"WebSite","@id":"https:\/\/fatihsoysal.com\/blog\/#website","url":"https:\/\/fatihsoysal.com\/blog\/","name":"Fatihsoysal.com","description":"Blog - Yaz\u0131l\u0131m D\u00fcnyas\u0131 Tecr\u00fcbelerim","publisher":{"@id":"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/fatihsoysal.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"tr"},{"@type":["Person","Organization"],"@id":"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1","name":"Fatih Soysal","image":{"@type":"ImageObject","inLanguage":"tr","@id":"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/fatihsoysal.com\/blog\/wp-content\/uploads\/2024\/04\/cropped-replicate-prediction-3kgg1hgjn5rgp0cf0p5tr0jw7w-1.png","contentUrl":"https:\/\/fatihsoysal.com\/blog\/wp-content\/uploads\/2024\/04\/cropped-replicate-prediction-3kgg1hgjn5rgp0cf0p5tr0jw7w-1.png","width":512,"height":512,"caption":"Fatih Soysal"},"logo":{"@id":"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/image\/"},"description":"Kullan\u0131m ve kodlama m\u00fckemmeliyetini odak alan uygulamalar olu\u015fturma deneyimine sahip, profesyonel olarak 15+ y\u0131l \u00fczeri deneyime sahip bir yaz\u0131l\u0131m m\u00fchendisi.","url":"https:\/\/fatihsoysal.com\/blog\/author\/fatihsoysal\/"}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/posts\/16446","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/comments?post=16446"}],"version-history":[{"count":0,"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/posts\/16446\/revisions"}],"wp:attachment":[{"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/media?parent=16446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/categories?post=16446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/tags?post=16446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}